diff --git a/ChangeLog b/ChangeLog
-index cb9124e..d0d2f56 100644
+index cb9124e..b32cd09 100644
--- a/ChangeLog
+++ b/ChangeLog
-@@ -1,3 +1,140 @@
+@@ -1,3 +1,159 @@
++2015-10-20 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
++
++ [BZ #18743]
++ * sysdeps/powerpc/nptl/elide.h (__elide_lock): Move most of this
++ code to...
++ (ELIDE_LOCK): ...here.
++ (__get_new_count): New function with part of the code from
++ __elide_lock that updates the value of adapt_count after a
++ transaction abort.
++ (__elided_trylock): Moved this code to...
++ (ELIDE_TRYLOCK): ...here.
++
++2015-10-06 Florian Weimer <fweimer@redhat.com>
++
++ [BZ #19018]
++ * stdlib/cxa_thread_atexit_impl.c (__cxa_thread_atexit_impl):
++ Mangle function pointer before storing it.
++ (__call_tls_dtors): Demangle function pointer before calling it.
++
+2015-10-15 Florian Weimer <fweimer@redhat.com>
+
+ [BZ #18928]
* version.h (RELEASE): Set to "stable".
diff --git a/NEWS b/NEWS
-index 4c31de7..fa6f58d 100644
+index 4c31de7..92037ce 100644
--- a/NEWS
+++ b/NEWS
-@@ -5,6 +5,15 @@ See the end for copying conditions.
+@@ -5,6 +5,16 @@ See the end for copying conditions.
Please send GNU C library bug reports via <http://sourceware.org/bugzilla/>
using `glibc' in the "product" field.
\f
+
+* The following bugs are resolved with this release:
+
-+ 18589, 18778, 18781, 18787, 18796, 18870, 18887, 18921, 18928, 18969.
++ 18589, 18743, 18778, 18781, 18787, 18796, 18870, 18887, 18921, 18928,
++ 18969, 19018.
+
+* The LD_POINTER_GUARD environment variable can no longer be used to
+ disable the pointer guard feature. It is always enabled.
Version 2.22
* The following bugs are resolved with this release:
-@@ -84,7 +93,7 @@ Version 2.22
+@@ -84,7 +94,7 @@ Version 2.22
release. Use of this header will trigger a deprecation warning.
Application developers should update their code to use <regex.h> instead.
if ($name ne "nss_ldap" && $name ne "db1"
&& !($name =~/^nss1_/) && $name ne "thread_db"
&& $name ne "nss_test1" && $name ne "libgcc_s") {
+diff --git a/stdlib/cxa_thread_atexit_impl.c b/stdlib/cxa_thread_atexit_impl.c
+index 2d5d56a..5717f09 100644
+--- a/stdlib/cxa_thread_atexit_impl.c
++++ b/stdlib/cxa_thread_atexit_impl.c
+@@ -98,6 +98,10 @@ static __thread struct link_map *lm_cache;
+ int
+ __cxa_thread_atexit_impl (dtor_func func, void *obj, void *dso_symbol)
+ {
++#ifdef PTR_MANGLE
++ PTR_MANGLE (func);
++#endif
++
+ /* Prepend. */
+ struct dtor_list *new = calloc (1, sizeof (struct dtor_list));
+ new->func = func;
+@@ -142,9 +146,13 @@ __call_tls_dtors (void)
+ while (tls_dtor_list)
+ {
+ struct dtor_list *cur = tls_dtor_list;
++ dtor_func func = cur->func;
++#ifdef PTR_DEMANGLE
++ PTR_DEMANGLE (func);
++#endif
+
+ tls_dtor_list = tls_dtor_list->next;
+- cur->func (cur->obj);
++ func (cur->obj);
+
+ /* Ensure that the MAP dereference happens before
+ l_tls_dtor_count decrement. That way, we protect this access from a
diff --git a/string/Makefile b/string/Makefile
index 8424a61..ebe9354 100644
--- a/string/Makefile
#endif
return true;
}
+diff --git a/sysdeps/powerpc/nptl/elide.h b/sysdeps/powerpc/nptl/elide.h
+index 389f5a5..12171f4 100644
+--- a/sysdeps/powerpc/nptl/elide.h
++++ b/sysdeps/powerpc/nptl/elide.h
+@@ -23,67 +23,78 @@
+ # include <htm.h>
+ # include <elision-conf.h>
+
+-/* Returns true if the lock defined by is_lock_free as elided.
+- ADAPT_COUNT is a pointer to per-lock state variable. */
+-
++/* Get the new value of adapt_count according to the elision
++ configurations. Returns true if the system should retry again or false
++ otherwise. */
+ static inline bool
+-__elide_lock (uint8_t *adapt_count, int is_lock_free)
++__get_new_count (uint8_t *adapt_count)
+ {
+- if (*adapt_count > 0)
++ /* A persistent failure indicates that a retry will probably
++ result in another failure. Use normal locking now and
++ for the next couple of calls. */
++ if (_TEXASRU_FAILURE_PERSISTENT (__builtin_get_texasru ()))
+ {
+- (*adapt_count)--;
++ if (__elision_aconf.skip_lock_internal_abort > 0)
++ *adapt_count = __elision_aconf.skip_lock_internal_abort;
+ return false;
+ }
+-
+- for (int i = __elision_aconf.try_tbegin; i > 0; i--)
+- {
+- if (__builtin_tbegin (0))
+- {
+- if (is_lock_free)
+- return true;
+- /* Lock was busy. */
+- __builtin_tabort (_ABORT_LOCK_BUSY);
+- }
+- else
+- {
+- /* A persistent failure indicates that a retry will probably
+- result in another failure. Use normal locking now and
+- for the next couple of calls. */
+- if (_TEXASRU_FAILURE_PERSISTENT (__builtin_get_texasru ()))
+- {
+- if (__elision_aconf.skip_lock_internal_abort > 0)
+- *adapt_count = __elision_aconf.skip_lock_internal_abort;
+- break;
+- }
+- /* Same logic as above, but for a number of temporary failures in a
+- a row. */
+- else if (__elision_aconf.skip_lock_out_of_tbegin_retries > 0
+- && __elision_aconf.try_tbegin > 0)
+- *adapt_count = __elision_aconf.skip_lock_out_of_tbegin_retries;
+- }
+- }
+-
+- return false;
++ /* Same logic as above, but for a number of temporary failures in a
++ a row. */
++ else if (__elision_aconf.skip_lock_out_of_tbegin_retries > 0
++ && __elision_aconf.try_tbegin > 0)
++ *adapt_count = __elision_aconf.skip_lock_out_of_tbegin_retries;
++ return true;
+ }
+
+-# define ELIDE_LOCK(adapt_count, is_lock_free) \
+- __elide_lock (&(adapt_count), is_lock_free)
+-
+-
+-static inline bool
+-__elide_trylock (uint8_t *adapt_count, int is_lock_free, int write)
+-{
+- if (__elision_aconf.try_tbegin > 0)
+- {
+- if (write)
+- __builtin_tabort (_ABORT_NESTED_TRYLOCK);
+- return __elide_lock (adapt_count, is_lock_free);
+- }
+- return false;
+-}
++/* CONCURRENCY NOTES:
++
++ The evaluation of the macro expression is_lock_free encompasses one or
++ more loads from memory locations that are concurrently modified by other
++ threads. For lock elision to work, this evaluation and the rest of the
++ critical section protected by the lock must be atomic because an
++ execution with lock elision must be equivalent to an execution in which
++ the lock would have been actually acquired and released. Therefore, we
++ evaluate is_lock_free inside of the transaction that represents the
++ critical section for which we want to use lock elision, which ensures
++ the atomicity that we require. */
++
++/* Returns 0 if the lock defined by is_lock_free was elided.
++ ADAPT_COUNT is a per-lock state variable. */
++# define ELIDE_LOCK(adapt_count, is_lock_free) \
++ ({ \
++ int ret = 0; \
++ if (adapt_count > 0) \
++ (adapt_count)--; \
++ else \
++ for (int i = __elision_aconf.try_tbegin; i > 0; i--) \
++ { \
++ if (__builtin_tbegin (0)) \
++ { \
++ if (is_lock_free) \
++ { \
++ ret = 1; \
++ break; \
++ } \
++ __builtin_tabort (_ABORT_LOCK_BUSY); \
++ } \
++ else \
++ if (!__get_new_count(&adapt_count)) \
++ break; \
++ } \
++ ret; \
++ })
+
+ # define ELIDE_TRYLOCK(adapt_count, is_lock_free, write) \
+- __elide_trylock (&(adapt_count), is_lock_free, write)
++ ({ \
++ int ret = 0; \
++ if (__elision_aconf.try_tbegin > 0) \
++ { \
++ if (write) \
++ __builtin_tabort (_ABORT_NESTED_TRYLOCK); \
++ ret = ELIDE_LOCK (adapt_count, is_lock_free); \
++ } \
++ ret; \
++ })
+
+
+ static inline bool
diff --git a/sysdeps/sparc/sparc32/sem_open.c b/sysdeps/sparc/sparc32/sem_open.c
index 16cb9ad..59df2d7 100644
--- a/sysdeps/sparc/sparc32/sem_open.c
projects / packages / glibc.git / commitdiff